Créer une interface d’administration avec Symfony 6 et EasyAdmin 4

symfony new website --full

composer require easycorp/easyadmin-bundle

symfony console make:admin:dashboard

symfony console m:e category

symfony console m:e product

<?php

class DashboardController extends AbstractDashboardController
{
    public function __construct(private AdminUrlGenerator $adminUrlGenerator) {}

    #[Route('/admin', name: 'admin')]
    public function index(): Response
    {
        $url = $this->adminUrlGenerator
            ->setController(ProductCrudController::class)
            ->generateUrl();

        return $this->redirect($url);
    }

    public function configureDashboard(): Dashboard
    {
        return Dashboard::new()
            ->setTitle('Website');
    }

    public function configureMenuItems(): iterable
    {
        yield MenuItem::section('E-commerce');

        yield MenuItem::section('Products');

        yield MenuItem::subMenu('Actions', 'fas fa-bars')->setSubItems([
            MenuItem::linkToCrud('Create Product', 'fas fa-plus', Product::class)->setAction(Crud::PAGE_NEW),
            MenuItem::linkToCrud('Show Products', 'fas fa-eye', Product::class)
        ]);

        yield MenuItem::section('Categories');

        yield MenuItem::subMenu('Actions', 'fas fa-bars')->setSubItems([
            MenuItem::linkToCrud('Create Category', 'fas fa-plus', Category::class)->setAction(Crud::PAGE_NEW),
            MenuItem::linkToCrud('Show Categories', 'fas fa-eye', Category::class)
        ]);
    }
}

<?php

class CategoryCrudController extends AbstractCrudController
{
    public static function getEntityFqcn(): string
    {
        return Category::class;
    }

    public function configureFields(string $pageName): iterable
    {
        return [
            IdField::new('id')->hideOnForm(),
            TextField::new('name'),
            BooleanField::new('active'),
            DateTimeField::new('updatedAt')->hideOnForm(),
            DateTimeField::new('createdAt')->hideOnForm(),
        ];
    }

    public function persistEntity(EntityManagerInterface $em, $entityInstance): void
    {
        if (!$entityInstance instanceof Category) return;

        $entityInstance->setCreatedAt(new \DateTimeImmutable);

        parent::persistEntity($em, $entityInstance);
    }

    public function deleteEntity(EntityManagerInterface $em, $entityInstance): void
    {
        if (!$entityInstance instanceof Category) return;

        foreach ($entityInstance->getProducts() as $product) {
            $em->remove($product);
        }

        parent::deleteEntity($em, $entityInstance);
    }
}

<?php

class ProductCrudController extends AbstractCrudController
{
    public const ACTION_DUPLICATE = 'duplicate';
    public const PRODUCTS_BASE_PATH = 'upload/images/products';
    public const PRODUCTS_UPLOAD_DIR = 'public/upload/images/products';

    public static function getEntityFqcn(): string
    {
        return Product::class;
    }

    public function configureActions(Actions $actions): Actions
    {
        $duplicate = Action::new(self::ACTION_DUPLICATE)
            ->linkToCrudAction('duplicateProduct')
            ->setCssClass('btn btn-info');

        return $actions
            ->add(Crud::PAGE_EDIT, $duplicate)
            ->reorder(Crud::PAGE_EDIT, [self::ACTION_DUPLICATE, Action::SAVE_AND_RETURN]);
    }

    public function configureFields(string $pageName): iterable
    {
        return [
            IdField::new('id')->hideOnForm(),
            TextField::new('name', 'Label'),
            TextEditorField::new('description'),
            MoneyField::new('price')->setCurrency('EUR'),

            ImageField::new('image')
                ->setBasePath(self::PRODUCTS_BASE_PATH)
                ->setUploadDir(self::PRODUCTS_UPLOAD_DIR)
                ->setSortable(false),

            BooleanField::new('active'),

            AssociationField::new('category')->setQueryBuilder(function (QueryBuilder $queryBuilder) {
                $queryBuilder->where('entity.active = true');
            }),

            DateTimeField::new('updatedAt')->hideOnForm(),
            DateTimeField::new('createdAt')->hideOnForm(),
        ];
    }

    public function duplicateProduct(
        AdminContext $context,
        AdminUrlGenerator $adminUrlGenerator,
        EntityManagerInterface $em
    ): Response {
        /** @var Product $product */
        $product = $context->getEntity()->getInstance();

        $duplicatedProduct = clone $product;

        parent::persistEntity($em, $duplicatedProduct);

        $url = $adminUrlGenerator->setController(self::class)
            ->setAction(Action::DETAIL)
            ->setEntityId($duplicatedProduct->getId())
            ->generateUrl();

        return $this->redirect($url);
    }
}